<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
           div,h1,p{
               font-size: 32px;
               color: orange;
               width: 50px;
               height: 50px;
               background-color: aqua;
           }
    </style>
</head>
    <div>div</div>
    <p>p</p>
    <h1>h1</h1>
<body>

</body>
</html>